The RT3181A is a highly integrated and scalable solution for wireless power transmitter applications. The RT3181A is designed to support the major wireless power standards - WPC (Qi). The RT3181A can be configured to various type of transmitter in WPC definition.

The RT3181A supports fully integrated design for WPC LP A11 transmitter which could be powered from a 5V output of USB or AC adaptor in low power applications. The RT3181A is able to support WPC MP-A5 transmitter design with external power stage for medium power applications.

The RT3181A can be paired with a smart AC adapter from selected suppliers to provide reduced system cost and optimal efficiency over the range of power usage.

应用

Mobile Phones

Phablets/Tablets

Wearable Devices

Medical and Industrial

关键特性

High Integration with Internal H-Bridge Power Stage and Current Sense Amplifier, Optimized for LP-A11 Solution

High Power with External Power Stage, Optimized for MP-A5 Solution

No Current Transformer Required

Low Quiescent Current Plus

Selectable Ping Cycle in Custom Applications

Low Current Sleep Mode Options Including "Off" State with Wake Up I/O Pin

Programmable Thermal Protection

Support Foreign Object Detection

Notifications -

1 Buzzer

2 LEDs, Resistor Programmable

I2C Host Applications Interface (Option)

Internal Watchdog Timer

48-Lead WQFN Package